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RE: [dm-devel] Multi-Path on SuSe



> > Dec 13 21:10:08 netsrv83 multipathd: path checker startup : 66:96 
> > Dec 13 21:10:08 netsrv83 multipathd: path checker startup : 66:112 
> > Dec 13 21:10:08 netsrv83 multipathd: path checker startup : 66:128 
> > Dec 13 21:10:08 netsrv83 multipathd: path checker startup : 66:144
> >  ...................... (more the the rest of the Luns)
> > 
> Mostly good, but the multipath tool didn't configured any 
> multipath map ... we'll need to track that.
> 
> > Followed by the following after a little while:
> > 
> The little while is the time for the fd leak to fill the 
> entire fd space ... upgrade to 0.4.0
> 

Installed 0.4.0 and compile multipathd with DEBUG=3.  
In multipath/Makefile

endif

EXEC = multipath
DEBUG = 3

all: $(BUILD)

Multipathd: path checker startup happens for all devices as previously,
however nothing else happens.  

Log ends here.  Waiting for over 1 after one instance of the restart of
the multipathd daemon and nothing happen.


The following is displayed after the daemon is restarted though:

Device Mapper prerequisites not met


> > Dec 13 21:12:40 netsrv83 multipathd: 67:64 : readsector0 checker 
> > reports path is down Dec 13 21:12:40 netsrv83 multipathd: 67:80 : 
> > readsector0 checker reports path is down
> > Dec 13 21:12:40 netsrv83 multipathd: 67:96 : readsector0 
> checker reports
> > path is down 
> ...
> 
> > 
> > Running the command multipath -v 2 doesn't yield any output 
> and /dev 
> > had no dm device created.
> > 
> That the heart of the problem.
> You should compile the tool with DEBUG=3 and sent the output.

Setup DEBUG=3 in multipath/Makefile.  


Few additional things:

The output of multipath -v2 is now:

Device mapper prerequisites not met.


I have hotplug-2004-09-23
Device-mapper-1.00.19
Multipath-tools-0.4.0
Kernel 2.6.5-7.111.5 (Could this be the problem?)

Also do I need to update the multipath.ko modules with a newer version?
I noticed it is the still the inbox default that is loaded.


Thanks 

Aboubacar.


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